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          ruwt-1内部测试汇总
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        <h2 id="机头"><a href="#机头" class="headerlink" title="机头"></a>机头</h2><h3 id="模拟电路板"><a href="#模拟电路板" class="headerlink" title="模拟电路板"></a>模拟电路板</h3><p><strong>2020-5-27</strong></p><p>带宽设定为2M晶片探头，是否考虑调整到1~4.5M的范围，因为0°采用的是4M晶片探头</p><h2 id="车体"><a href="#车体" class="headerlink" title="车体"></a>车体</h2><h3 id="串列探头间距确定"><a href="#串列探头间距确定" class="headerlink" title="串列探头间距确定"></a>串列探头间距确定</h3><p>实际推车测试发现45和89接收回波信号有重叠，考虑间距是否合适，探测是否存在<strong>盲区</strong></p><h3 id="探头环"><a href="#探头环" class="headerlink" title="探头环"></a>探头环</h3><p><strong>2020-5-27</strong></p><h4 id="探头壳孔径与顶丝尺寸不一致"><a href="#探头壳孔径与顶丝尺寸不一致" class="headerlink" title="探头壳孔径与顶丝尺寸不一致"></a>探头壳孔径与顶丝尺寸不一致</h4><p>探头壳孔径为<strong>4.3毫米</strong>，探头顶丝直径<strong>4毫米</strong>，探头环顶丝直径<strong>4.5毫米</strong>。</p><a id="more"></a>




<p><strong>2020-5-30</strong></p>
<p>确定将探头壳孔径使用筏 ∮5.1的探头扩平底</p>
<h2 id="探头"><a href="#探头" class="headerlink" title="探头"></a>探头</h2><p><strong>2020-5-27</strong></p>
<ul>
<li>探头晶片频率</li>
</ul>
<p>横波探头2.5M，纵波探头4M 。<strong><em>仪器的带宽为2M晶片设计</em></strong></p>
<ul>
<li>探头角度</li>
</ul>
<p>角度的标准 参照路轨还是焊缝做？<strong>探头角度偏大</strong></p>
<ul>
<li>探头指标</li>
</ul>
<p>锲内回波指标不够</p>
<ul>
<li>探头灵敏度</li>
</ul>
<p>70°灵敏度低。2.5M晶片整体性能低于3M晶片的探头。<strong><em>原因没找到</em></strong></p>
<p><strong>2020-5-30</strong></p>
<ul>
<li>0°探头的延迟波高</li>
<li>70°探头灵敏度低且角度大</li>
</ul>

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          <div class="post-toc motion-element"><ol class="nav"><li class="nav-item nav-level-2"><a class="nav-link" href="#机头"><span class="nav-number">1.</span> <span class="nav-text">机头</span></a><ol class="nav-child"><li class="nav-item nav-level-3"><a class="nav-link" href="#模拟电路板"><span class="nav-number">1.1.</span> <span class="nav-text">模拟电路板</span></a></li></ol></li><li class="nav-item nav-level-2"><a class="nav-link" href="#车体"><span class="nav-number">2.</span> <span class="nav-text">车体</span></a><ol class="nav-child"><li class="nav-item nav-level-3"><a class="nav-link" href="#串列探头间距确定"><span class="nav-number">2.1.</span> <span class="nav-text">串列探头间距确定</span></a></li><li class="nav-item nav-level-3"><a class="nav-link" href="#探头环"><span class="nav-number">2.2.</span> <span class="nav-text">探头环</span></a><ol class="nav-child"><li class="nav-item nav-level-4"><a class="nav-link" href="#探头壳孔径与顶丝尺寸不一致"><span class="nav-number">2.2.1.</span> <span class="nav-text">探头壳孔径与顶丝尺寸不一致</span></a></li></ol></li></ol></li><li class="nav-item nav-level-2"><a class="nav-link" href="#探头"><span class="nav-number">3.</span> <span class="nav-text">探头</span></a></li></ol></div>
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